On 17/02/15 07:02, Juergen Gross wrote:
> A request in the ring buffer mustn't be read after it has been marked
> as consumed. Otherwise it might already have been reused by the
> frontend without violating the ring protocol.
>
> To avoid inconsistencies in the backend only work on a private copy
> of the request. This will ensure a malicious guest not being able to
> bypass consistency checks of the backend by modifying an active
> request.